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Study on Partial Replacement of Cement with Limonite in Mechanical Strength of Mortar
With the increasing population worldwide, main concerns are not limited to accessing sustainable living spaces but also managing waste disposal and greenhouse emissions. The supplementary cementitious materials (SCM) therefore play a vital role in providing an economical solution towards a greener environment, especially in the developing countries. The pozzolanic properties of limonite are studied in this paper to identify its potential to be used as an SCM. This study is aimed at utilizing limonite as a partial replacement of cement in the mortar by 5%, 10%, 15% and 20% of its weight. The pozzolanic properties of the limonite are traced through the results of compressive strength and the physical properties are also investigated in the form of specific gravity, setting time, consistency and fineness. Conventional cement mortar is also included for comparison. The results indicate that up to 10% replacement of cement by limonite allows an increase in the compressive strength of the mortar by 27% at 28 days. However, upon further increasing the percentage replacement, limonite had a significant effect in the mortar specimens. Lastly, this paper suggests that a reliable design guideline can be developed which will promote the use of limonite in wider implementations.
Study on Partial Replacement of Cement with Limonite in Mechanical Strength of Mortar
With the increasing population worldwide, main concerns are not limited to accessing sustainable living spaces but also managing waste disposal and greenhouse emissions. The supplementary cementitious materials (SCM) therefore play a vital role in providing an economical solution towards a greener environment, especially in the developing countries. The pozzolanic properties of limonite are studied in this paper to identify its potential to be used as an SCM. This study is aimed at utilizing limonite as a partial replacement of cement in the mortar by 5%, 10%, 15% and 20% of its weight. The pozzolanic properties of the limonite are traced through the results of compressive strength and the physical properties are also investigated in the form of specific gravity, setting time, consistency and fineness. Conventional cement mortar is also included for comparison. The results indicate that up to 10% replacement of cement by limonite allows an increase in the compressive strength of the mortar by 27% at 28 days. However, upon further increasing the percentage replacement, limonite had a significant effect in the mortar specimens. Lastly, this paper suggests that a reliable design guideline can be developed which will promote the use of limonite in wider implementations.
Study on Partial Replacement of Cement with Limonite in Mechanical Strength of Mortar
Lecture Notes in Civil Engineering
Belayutham, Sheila (editor) / Che Ibrahim, Che Khairil Izam (editor) / Alisibramulisi, Anizahyati (editor) / Mansor, Hazrina (editor) / Billah, Muntasir (editor) / Shahjalal, Md. (author) / Rahman, Jesika (author) / Haque, Afia Farzana (author) / Habib, Lutful (author) / Jalal, Khadiza Binte (author)
International Conference on Sustainable Civil Engineering Structures and Construction Materials ; 2020
2022-04-07
13 pages
Article/Chapter (Book)
Electronic Resource
English
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